Presently, the Cauvery River is the city’s sole water source located at a distance of 100 km. But with a population expected to reach 20 million by 2031, the rising demand for water presents unique challenges, calling for participation at all levels.

The Context The city of Bengaluru sits on a high ridgeline, 900 m above the sea level. With a population of around 11 million in 2017, the city is facing challenges in meeting its current and future water needs (Times of India, 2018). For now, the main water source is Cauvery, located at a distance of 100 km and around 300 m below the city level. Around 1400 million litres are pumped into the city every day, making it one...